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1   package net.sumaris.core.service.crypto;
2   
3   /*
4    * #%L
5    * Duniter4j :: Core API
6    * %%
7    * Copyright (C) 2014 - 2015 EIS
8    * %%
9    * This program is free software: you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as
11   * published by the Free Software Foundation, either version 3 of the 
12   * License, or (at your option) any later version.
13   * 
14   * This program is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   * GNU General Public License for more details.
18   * 
19   * You should have received a copy of the GNU General Public 
20   * License along with this program.  If not, see
21   * <http://www.gnu.org/licenses/gpl-3.0.html>.
22   * #L%
23   */
24  
25  
26  import net.sumaris.core.util.crypto.KeyPair;
27  
28  /**
29   * Crypto services (sign...)
30   * Created by eis on 10/01/15.
31   */
32  public interface CryptoService {
33  
34      /**
35       * generate a crypto seed, using default N,r,p parameters (4096,16,1)
36       * @param salt
37       * @param password
38       * @return
39       */
40      byte[] getSeed(String salt, String password);
41  
42      byte[] getSeed(String salt, String password, int N, int r, int p);
43  
44      /**
45       * Returns a new signing key pair generated from salt and password.
46       * The salt and password must contain enough entropy to be secure.
47       *
48       * @param salt
49       * @param password
50       * @return
51       */
52      KeyPair getKeyPair(String salt, String password);
53  
54      /**
55       * Returns a new signing key pair generated from salt and password.
56       * The salt and password must contain enough entropy to be secure.
57       *
58       * @param seed
59       * @return
60       */
61      KeyPair getKeyPairFromSeed(byte[] seed);
62  
63      KeyPair getRandomKeypair();
64  
65      String sign(String message, byte[] secretKey);
66  
67      String sign(String message, String secretKey);
68  
69      String box(String message, byte[] nonce, String senderSignSk, String receiverSignPk);
70  
71      String box(String message, byte[] nonce, byte[] senderSignSk, byte[] receiverSignPk);
72  
73      byte[] getBoxRandomNonce();
74  
75      String openBox(String cypherText, String nonce, String senderSignPk, String receiverSignSk);
76  
77      String openBox(String cypherText, byte[] nonce, byte[] senderSignPk, byte[] receiverSignSk);
78  
79      boolean verify(String message, String signature, String publicKey);
80  
81      /**
82       * Do a SHA256 then a hexa convert
83       * @param message
84       * @return
85       */
86      String hash(String message);
87  }